--- ds/ds.field_ui.inc.orig	2011-07-10 01:21:04.000000000 -0400
+++ ds/ds.field_ui.inc	2011-07-10 01:21:11.000000000 -0400
@@ -240,7 +240,7 @@
  */
 function ds_field_ui_layout_change($form, $form_state, $entity_type = '', $bundle = '', $view_mode = '', $new_layout = '') {
 
-  $odl_layout = NULL;
+  $old_layout = NULL;
   if (!empty($entity_type) && !empty($bundle) && !empty($view_mode)) {
     $old_layout = ds_get_layout($entity_type, $bundle, $view_mode, FALSE);
   }